Home / 1,090,665.78-1,505,168.46-607,261.64

Finding the Fourth Proportional to 1,090,665.78, 1,505,168.46 and 607,261.64

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Solution

The fourth proportional to 1,090,665.78, 1,505,168.46 and 607,261.64 is: 838,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,665.78 : 1,505,168.46 = 607,261.64 : x
  2. Step 2: Convert to fraction form
    1,090,665.78/1,505,168.46 = 607,261.64/x
  3. Step 3: Cross multiply
    1,090,665.78x = 1,505,168.46 × 607,261.64
  4. Step 4: Simplify right side
    1,090,665.78x = 914,031,067,495.87
  5. Step 5: Solve for x
    x = 914,031,067,495.87/1,090,665.78
  6. Step 6: Final answer
    x = 838,048.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.